In San Geronimo there are 7 residential internet providers covering 100.00% of the city. The average home can get speeds up to 2,000 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
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7 Internet Service Providers in San Geronimo
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in San Geronimo are not shown.
San Geronimo Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in San Geronimo
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of San Geronimo. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in San Geronimo with more confidence that they might be available.
How fast are internet speeds in San Geronimo?
The map below shows maximum internet speeds by area in San Geronimo.

Internet Speed Key
The average San Geronimo home can get up to 2,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in San Geronimo?
The fastest internet for you may vary based on where in San Geronimo you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for less than 1% of San Geronimo homes.
- Cable is fastest for 100.00% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of San Geronimo homes.
Internet Market Health in San Geronimo

Internet Competition Key
The map shows how competitive the San Geronimo internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in San Geronimo based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.5 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.5 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.5 (very unhealthy)
Overall, competition is unhealthy.
San Geronimo internet customers have the ability to buy internet service from 3 to 4 different providers, depending on where they live. For different types of service, San Geronimo homes have between 2 and 3 options. The type(s) of service available are dsl, cable, and fixed wireless, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. San Geronimo internet customers who want faster speeds have between 1 and 2 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, San Geronimo needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in San Geronimo, along with details on where in San Geronimo and at what speeds.
XFINITY from Comcast Cable in San Geronimo, CA

XFINITY cable coverage
About 100.00%, or 379 people, have XFINITY cable internet available to them in the city. The company covers the entire San Geronimo area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of San Geronimo.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in San Geronimo. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from XFINITY goes up to 2,000 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is the fastest where upload speeds are concerned, and the fastest compared to other San Geronimo cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
AT&T DSL in San Geronimo, CA

AT&T DSL coverage
About 100.00%, or 379 people, have AT&T DSL internet available to them in the city. The company covers the entire San Geronimo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of San Geronimo.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in San Geronimo. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from AT&T goes up to 10 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other San Geronimo DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in San Geronimo, CA

EarthLink DSL coverage
About 100.00%, or 379 people, have EarthLink DSL internet available to them in the city. The company covers the entire San Geronimo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of San Geronimo.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in San Geronimo. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from EarthLink goes up to 10 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other San Geronimo DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Verizon Fixed Wireless in San Geronimo, CA

Verizon fixed wireless coverage
About 43.80%, or 166 people, have Verizon fixed wireless internet available to them in the city. The company covers the central, north, and east San Geronimo area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Geronimo.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in San Geronimo. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from Verizon goes up to 300 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other San Geronimo fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in San Geronimo, CA

T-Mobile Home Internet fixed wireless coverage
About 3.69%, or 14 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the north San Geronimo area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of San Geronimo.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in San Geronimo. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are no different maximum speeds throughout San Geronimo. The fastest plan anyone in San Geronimo can order from T-Mobile Home Internet goes up to 25 Mbps, and all San Geronimo customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In San Geronimo download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and the slowest compared to other San Geronimo fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Geronimo is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
San Geronimo Internet by Area
This information is most helpful to those looking for homes or considering moving to San Geronimo or any of the areas nearby.
How does internet in San Geronimo compare to the rest of California?
Internet speeds in San Geronimo are slower versus the average speeds in California: 3,631 Mbps in California versus 2,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 100.00% in San Geronimo.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around San Geronimo are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Lagunitas-Forest Knolls, CA: equal internet coverage, similar speeds
- Forest Knolls, CA: equal internet coverage, slower speeds
- Woodacre, CA: equal internet coverage, faster speeds
- Lagunitas, CA: less internet coverage, slower speeds
- Nicasio, CA: less internet coverage, slower speeds
- Sleepy Hollow, CA: equal internet coverage, faster speeds
- Fairfax, CA: less internet coverage, faster speeds
- Tocaloma, CA: less internet coverage, slower speeds
- San Anselmo, CA: less internet coverage, faster speeds
- Olema, CA: less internet coverage, slower speeds
Cities with Similar Populations
- Grenora, ND: less internet coverage, slower speeds
- Sheridan, LA: equal internet coverage, slower speeds
- Shelburne, MA: equal internet coverage, slower speeds
- Shady Grove, KY: less internet coverage, slower speeds
- Highland Spring, KY: equal internet coverage, slower speeds
- Hamilton, PA: less internet coverage, faster speeds
- Hagensville, MI: equal internet coverage, slower speeds
- Hadar, NE: less internet coverage, slower speeds
- Hackney, OH: less internet coverage, slower speeds
- Guldens, PA: equal internet coverage, slower speeds


